Recently had a no heat situation on my electric dryer, found the high limit senser tripped, thouroghly cleaned the lint out of every where, vent run is clean and is three feet long, thought my problem was solved, reassembled and tried it out with one wet towel, the discharge temp seamed very warm and towell did not dry completely, ran it agaian and it dried, since then had run one load of towells threw and had to run two cycles. any help would be great.